<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>

<style type="text/css">
body 
  {
  background-image:url(bbb.jpg);
  background-repeat:no-repeat;
  background-attachment:fixed;
  background-size: cover;

  }
  </style>

</head>
<body>

 <h1 align="center"> test6</h1>
    <form action="bbb" method="POST">
    <br><br>
   <p align="center">  <input type="text"  name="number" > </p>  <br>
      
     <p align="center">  <input type="button"  name="button" value="确认"> </p>
     
    
   


</body>
</html>